Chemistry Review

This symbol indicates a _______.

• neutron

• proton

• electron

Tags

NGSS.MS-PS1-1

What 2 elements make up water?

• Hydrogen and Carbon

• Carbon and Oxygen

• Hydrogen and Oxygen

• Oxygen and Helium

Tags

NGSS.MS-PS1-1

How many molecules are in this formula?

• 1

• 2

• 3

• 6

Tags

NGSS.MS-PS1-1

What information does a subscript number tell us?

• the number of atoms per element

• the number of molecules per formula

Tags

NGSS.MS-PS1-1

What substance commonly exists in what 3 states of matter?

• Oxygen

• Carbon Dioxide

• Rust

• Water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

An electron is located ...

• in the nucleus.

• outside the nucleus.

Tags

NGSS.MS-PS1-1

What is the atomic mass for this element?

• 6

• 12.0107

• 6.0107

• 18.0107

Tags

NGSS.MS-PS1-1

How many molecules are in the Reactant?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What information does the coefficient in an equation give us?

• the number of atoms per element

• the number of molecules per formula

What is the property of water is shown in the picture?

• specific heat

• universal solvent

• capillary action

• surface tension